from datetime import timedelta

from django.contrib.auth import get_user_model
from django.urls import reverse
from django.utils import timezone

from ..models import Poll
from .test_thread_poll_api import ThreadPollApiTestCase


class ThreadGetVotesTests(ThreadPollApiTestCase):
    def setUp(self):
        super(ThreadGetVotesTests, self).setUp()

        self.mock_poll()

        self.poll.is_public = True
        self.poll.save()

        self.api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': self.thread.pk,
            'pk': self.poll.pk
        })

    def test_anonymous(self):
        """api allows guests to get poll votes"""
        self.logout_user()

        response = self.client.get(self.api_link)
        self.assertEqual(response.status_code, 200)

    def test_invalid_thread_id(self):
        """api validates that thread id is integer"""
        api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': 'kjha6dsa687sa',
            'pk': self.poll.pk
        })

        response = self.client.get(api_link)
        self.assertEqual(response.status_code, 404)

    def test_nonexistant_thread_id(self):
        """api validates that thread exists"""
        api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': self.thread.pk + 1,
            'pk': self.poll.pk
        })

        response = self.client.get(api_link)
        self.assertEqual(response.status_code, 404)

    def test_invalid_poll_id(self):
        """api validates that poll id is integer"""
        api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': self.thread.pk,
            'pk': 'sad98as7d97sa98'
        })

        response = self.client.get(api_link)
        self.assertEqual(response.status_code, 404)

    def test_nonexistant_poll_id(self):
        """api validates that poll exists"""
        api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': self.thread.pk,
            'pk': self.poll.pk + 123
        })

        response = self.client.get(api_link)
        self.assertEqual(response.status_code, 404)

    def test_no_permission(self):
        """api chcecks permission to see poll voters"""
        self.override_acl({
            'can_always_see_poll_voters': False
        })

        self.poll.is_public = False
        self.poll.save()

        response = self.client.get(self.api_link)
        self.assertEqual(response.status_code, 403)

    def test_nonpublic_poll(self):
        """api validates that poll is public"""
        self.logout_user()

        self.poll.is_public = False
        self.poll.save()

        response = self.client.get(self.api_link)
        self.assertEqual(response.status_code, 403)

    def test_get_votes(self):
        """api returns list of voters"""
        response = self.client.get(self.api_link)
        self.assertEqual(response.status_code, 200)

        response_json = response.json()
        self.assertEqual(len(response_json), 4)

        self.assertEqual([c['label'] for c in response_json], ['Alpha', 'Beta', 'Gamma', 'Delta'])
        self.assertEqual([c['votes'] for c in response_json], [1, 0, 2, 1])
        self.assertEqual([len(c['voters']) for c in response_json], [1, 0, 2, 1])

        self.assertEqual([[v['username'] for v in c['voters']] for c in response_json][0][0], 'bob')

        User = get_user_model()
        user =  User.objects.get(slug='bob')

        self.assertEqual(
            [[v['url'] for v in c['voters']] for c in response_json][0][0], user.get_absolute_url())

    def test_get_votes_private_poll(self):
        """api returns list of voters on private poll for user with permission"""
        self.override_acl({
            'can_always_see_poll_voters': True
        })

        self.poll.is_public = False
        self.poll.save()

        response = self.client.get(self.api_link)
        self.assertEqual(response.status_code, 200)

        response_json = response.json()
        self.assertEqual(len(response_json), 4)

        self.assertEqual([c['label'] for c in response_json], ['Alpha', 'Beta', 'Gamma', 'Delta'])
        self.assertEqual([c['votes'] for c in response_json], [1, 0, 2, 1])
        self.assertEqual([len(c['voters']) for c in response_json], [1, 0, 2, 1])

        self.assertEqual([[v['username'] for v in c['voters']] for c in response_json][0][0], 'bob')

        User = get_user_model()
        user =  User.objects.get(slug='bob')

        self.assertEqual(
            [[v['url'] for v in c['voters']] for c in response_json][0][0], user.get_absolute_url())


class ThreadPostVotesTests(ThreadPollApiTestCase):
    def setUp(self):
        super(ThreadPostVotesTests, self).setUp()

        self.mock_poll()

        self.api_link = reverse('misago:api:thread-poll-votes', kwargs={
            'thread_pk': self.thread.pk,
            'pk': self.poll.pk
        })

    def delete_user_votes(self):
        self.poll.choices[2]['votes'] = 1
        self.poll.choices[3]['votes'] = 0
        self.poll.votes = 2
        self.poll.save()

        self.poll.pollvote_set.filter(voter=self.user).delete()

    def test_anonymous(self):
        """api requires you to sign in to vote in poll"""
        self.logout_user()

        response = self.post(self.api_link)
        self.assertEqual(response.status_code, 403)

    def test_empty_vote(self):
        """api validates if vote that user has made was empty"""
        self.delete_user_votes()

        response = self.post(self.api_link)
        self.assertContains(response, "You have to make a choice.", status_code=400)

    def test_noninterable_vote(self):
        """api validates if vote that user has made was iterable"""
        self.delete_user_votes()

        response = self.post(self.api_link, data=123)
        self.assertContains(response, "One or more of poll choices were invalid.", status_code=400)

    def test_invalid_choices(self):
        """api validates if vote that user has made overlaps with allowed votes"""
        self.delete_user_votes()

        response = self.post(self.api_link, data=['lorem', 'ipsum'])
        self.assertContains(response, "One or more of poll choices were invalid.", status_code=400)

    def test_too_many_choices(self):
        """api validates if vote that user has made overlaps with allowed votes"""
        self.poll.allowed_choices = 1
        self.poll.allow_revotes = True
        self.poll.save()

        response = self.post(self.api_link, data=['aaaaaaaaaaaa', 'bbbbbbbbbbbb'])
        self.assertContains(response, "This poll disallows voting for more than 1 choice.", status_code=400)

    def test_revote(self):
        """api validates if user is trying to change vote in poll that disallows revoting"""
        response = self.post(self.api_link, data=['lorem', 'ipsum'])
        self.assertContains(response, "You have already voted in this poll.", status_code=403)

        self.delete_user_votes()

        response = self.post(self.api_link)
        self.assertContains(response, "You have to make a choice.", status_code=400)

    def test_vote_in_closed_thread(self):
        """api validates is user has permission to vote poll in closed thread"""
        self.override_acl(category={
            'can_close_threads': 0
        })

        self.thread.is_closed = True
        self.thread.save()

        self.delete_user_votes()

        response = self.post(self.api_link)
        self.assertContains(response, "thread is closed", status_code=403)

        self.override_acl(category={
            'can_close_threads': 1
        })

        response = self.post(self.api_link)
        self.assertContains(response, "You have to make a choice.", status_code=400)

    def test_vote_in_closed_category(self):
        """api validates is user has permission to vote poll in closed category"""
        self.override_acl(category={
            'can_close_threads': 0
        })

        self.category.is_closed = True
        self.category.save()

        self.delete_user_votes()

        response = self.post(self.api_link)
        self.assertContains(response, "category is closed", status_code=403)

        self.override_acl(category={
            'can_close_threads': 1
        })

        response = self.post(self.api_link)
        self.assertContains(response, "You have to make a choice.", status_code=400)

    def test_vote_in_finished_poll(self):
        """api valdiates if poll has finished before letting user to vote in it"""
        self.poll.posted_on = timezone.now() - timedelta(days=15)
        self.poll.length = 5
        self.poll.save()

        self.delete_user_votes()

        response = self.post(self.api_link)
        self.assertContains(response, "This poll is over. You can't vote in it.", status_code=403)

        self.poll.length = 50
        self.poll.save()

        response = self.post(self.api_link)
        self.assertContains(response, "You have to make a choice.", status_code=400)

    def test_fresh_vote(self):
        """api handles first vote in poll"""
        self.delete_user_votes()

        response = self.post(self.api_link, data=['aaaaaaaaaaaa', 'bbbbbbbbbbbb'])
        self.assertEqual(response.status_code, 200)

        # validate state change
        poll = Poll.objects.get(pk=self.poll.pk)
        self.assertEqual(poll.votes, 4)
        self.assertEqual([c['votes'] for c in poll.choices], [2, 1, 1, 0])

        for choice in poll.choices:
            self.assertNotIn('selected', choice)

        self.assertEqual(poll.pollvote_set.count(), 4)

        # validate response json
        response_json = response.json()
        self.assertEqual(response_json['votes'], 4)
        self.assertEqual([c['votes'] for c in response_json['choices']], [2, 1, 1, 0])
        self.assertEqual([c['selected'] for c in response_json['choices']], [True, True, False, False])

        self.assertFalse(response_json['acl']['can_vote'])

    def test_vote_change(self):
        """api handles vote change"""
        self.poll.allow_revotes = True
        self.poll.save()

        response = self.post(self.api_link, data=['aaaaaaaaaaaa', 'bbbbbbbbbbbb'])
        self.assertEqual(response.status_code, 200)

        # validate state change
        poll = Poll.objects.get(pk=self.poll.pk)
        self.assertEqual(poll.votes, 4)
        self.assertEqual([c['votes'] for c in poll.choices], [2, 1, 1, 0])

        for choice in poll.choices:
            self.assertNotIn('selected', choice)

        self.assertEqual(poll.pollvote_set.count(), 4)

        # validate response json
        response_json = response.json()
        self.assertEqual(response_json['votes'], 4)
        self.assertEqual([c['votes'] for c in response_json['choices']], [2, 1, 1, 0])
        self.assertEqual([c['selected'] for c in response_json['choices']], [True, True, False, False])

        self.assertTrue(response_json['acl']['can_vote'])